   (function(doc, win) {
            var docEl = doc.documentElement,
                resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
                recalc = function() {
                    var clientWidth = docEl.clientWidth;
                    if (!clientWidth) return;
                    if (clientWidth >= 640) {
                        docEl.style.fontSize = '100px';
                    } else {
                        docEl.style.fontSize = 100 * (clientWidth / 640) + 'px';
                    }
                };

            if (!doc.addEventListener) return;
            win.addEventListener(resizeEvt, recalc, false);
            doc.addEventListener('DOMContentLoaded', recalc, false);
        })(document, window);

//      function imgChange(obj1, obj2) {
//          //获取点击的文本框
//          var file = document.getElementById("file");
//          //存放图片的父级元素
//          var imgContainer = document.getElementsByClassName(obj1)[0];
//          //获取的图片文件
//         
//        
//          var fileList = file.files;
//            fileList<=10
//          //文本框的父级元素
//          var input = document.getElementsByClassName(obj2)[0];
//          var imgArr = [];
//          //遍历获取到得图片文件
//          for (var i = 0; i < fileList.length; i++) {
//              var imgUrl = window.URL.createObjectURL(file.files[i]);
//              imgArr.push(imgUrl);
//              var img = document.createElement("img");
//              img.setAttribute("src", imgArr[i]);
//              var imgAdd = document.createElement("div");
//              imgAdd.setAttribute("class", "z_addImg");
//              imgAdd.appendChild(img);
//              imgContainer.appendChild(imgAdd);
//          };
//          imgRemove();
//      };
//
//      function imgRemove() {
//          var imgList = document.getElementsByClassName("z_addImg");
//          var mask = document.getElementsByClassName("z_mask")[0];
//          var cancel = document.getElementsByClassName("z_cancel")[0];
//          var sure = document.getElementsByClassName("z_sure")[0];
//          for (var j = 0; j < imgList.length; j++) {
//              imgList[j].index = j;
//              imgList[j].onclick = function() {
//                  var t = this;
//                  mask.style.display = "block";
//                  cancel.onclick = function() {
//                      mask.style.display = "none";
//                  };
//                  sure.onclick = function() {
//                      mask.style.display = "none";
//                      t.style.display = "none";
//                  };
//
//              }
//          };
//      };

  function imgChangew(obj1, obj2) {
            //获取点击的文本框
             var file = document.getElementsByClassName("filed")[0];
            //存放图片的父级元素
            var imgContainer = document.getElementsByClassName(obj1)[0];
            //获取的图片文件
           
          
            var fileList = file.files;
             
            //文本框的父级元素
            var input = document.getElementsByClassName(obj2)[0];
            var imgArr = [];
            //遍历获取到得图片文件
            for (var i = 0; i < fileList.length; i++) {
                var imgUrl = window.URL.createObjectURL(file.files[i]);
                imgArr.push(imgUrl);
                var img = document.createElement("img");
                img.setAttribute("src", imgArr[i]);
                var imgAdd = document.createElement("div");
                imgAdd.setAttribute("class", "z_addImg");
                imgAdd.appendChild(img);
                imgContainer.appendChild(imgAdd);
            };
            imgRemovet();
        };

        function imgRemovet() {
            var imgList = document.getElementsByClassName("z_addImg");
            var mask = document.getElementsByClassName("z_maskt")[0];
            var cancel = document.getElementsByClassName("z_cancelt")[0];
            var sure = document.getElementsByClassName("z_suret")[0];
            for (var j = 0; j < imgList.length; j++) {
                imgList[j].index = j;
                imgList[j].onclick = function() {
                    var t = this;
                    mask.style.display = "block";
                    cancel.onclick = function() {
                        mask.style.display = "none";
                    };
                    sure.onclick = function() {
                        mask.style.display = "none";
                        t.style.display = "none";
                    };

                }
            };
        };
        
		